Readability: Dale-Chall Readability Formula

Description

Usage

Arguments

txt.file

Either an object of class kRp.tagged-class,
a character vector which must be be
a valid path to a file containing the text to be analyzed,
or a list of text features. If the latter, calculation
is done by readability.num.

word.list

A vector or matrix (with exactly one column) which defines familiar words. For valid results
the long Dale-Chall list with about 3000 words should be used.

parameters

A numeric vector with named magic numbers,
defining the relevant parameters for the index.

...

Further valid options for the main function,
see readability for details.

Details

Calculates the New Dale-Chall Readability Formula. In contrast to readability,
which by default calculates all possible indices,
this function will only calculate the index value.

If parameters="PSK", the parameters by Powers-Sumner-Kearl (1958) are used, and if
parameters="old", the original parameters by Dale-Chall (1948), respectively.